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<h1 id="概述"><a href="#概述" class="headerlink" title="概述"></a>概述</h1><p>Pyodide项目源于Mozilla的项目Iodide。 Iodide是基于Web技术的数据科学实验和通信工具。它旨在在浏览器中进行数据计算。问题是通用的浏览器语言JS，没有成熟的数据科学处理库，也缺乏一些数值计算很有用功能和数据结构，比如运算符重载等。虽然完善JS语言本身是一条路，但是这条路太慢，所以有必要投机取巧的走一条捷径出来。这就是Pyodide项目的所做的事情：通过将成熟活跃的Python科学计算工具栈引入浏览器来满足数据科学计算的需要。Pyodide提供了一个完整的标准Python解释器，它完全在浏览器中运行，可以完全访问浏览器的Web API。</p>
<a id="more"></a>
<h1 id="代码"><a href="#代码" class="headerlink" title="代码"></a>代码</h1><p>如果您使用IE内核的浏览器，可能会得到不到正确的运行结果。</p>
<figure class="highlight html"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">&lt;!DOCTYPE <span class="meta-keyword">html</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">html</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">head</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">script</span> <span class="attr">type</span>=<span class="string">"text/javascript"</span>&gt;</span></span><br><span class="line"><span class="actionscript">        <span class="comment">// set the pyodide files URL (packages.json, pyodide.asm.data etc)</span></span></span><br><span class="line"><span class="javascript">        <span class="built_in">window</span>.languagePluginUrl = <span class="string">'https://pyodide-cdn2.iodide.io/v0.15.0/full/'</span>;</span></span><br><span class="line">    <span class="tag">&lt;/<span class="name">script</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">script</span> <span class="attr">src</span>=<span class="string">"https://pyodide-cdn2.iodide.io/v0.15.0/full/pyodide.js"</span>&gt;</span><span class="tag">&lt;/<span class="name">script</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">head</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">body</span>&gt;</span></span><br><span class="line">  Pyodide test page <span class="tag">&lt;<span class="name">br</span>&gt;</span></span><br><span class="line">  Open your browser console to see pyodide output</span><br><span class="line">  <span class="tag">&lt;<span class="name">script</span> <span class="attr">type</span>=<span class="string">"text/javascript"</span>&gt;</span></span><br><span class="line"><span class="actionscript">        languagePluginLoader.then(<span class="function"><span class="keyword">function</span> <span class="params">()</span> </span>&#123;</span></span><br><span class="line"><span class="javascript">            <span class="built_in">console</span>.log(pyodide.runPython(<span class="string">'import sys\nsys.version\n'</span>));</span></span><br><span class="line"><span class="javascript">            <span class="built_in">console</span>.log(pyodide.runPython(<span class="string">'print(1 + 2)'</span>));</span></span><br><span class="line">        &#125;);</span><br><span class="line">  <span class="tag">&lt;/<span class="name">script</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">body</span>&gt;</span></span><br></pre></td></tr></table></figure>

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<script type="text/javascript">
        // set the pyodide files URL (packages.json, pyodide.asm.data etc)
        window.languagePluginUrl = 'https://pyodide-cdn2.iodide.io/v0.15.0/full/';
</script>
<script src="https://pyodide-cdn2.iodide.io/v0.15.0/full/pyodide.js"></script>

<h1 id="效果"><a href="#效果" class="headerlink" title="效果"></a>效果</h1><p>以下结果来自于在线Python。</p>
<figure class="highlight plain" id="python">
</figure>

<script type="text/javascript">
        languagePluginLoader.then(function () {
           var box=document.getElementById("python")
            box.innerText+=pyodide.runPython('import sys\nsys.version');
            box.innerHTML+="<br />";
            box.innerText+=pyodide.runPython('print(1 + 2)');
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